mirror of
https://github.com/SpaceVim/SpaceVim.git
synced 2025-02-03 23:50:05 +08:00
90 lines
2.8 KiB
VimL
90 lines
2.8 KiB
VimL
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let s:Path = vital#gina#import('System.Filepath')
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let s:Git = vital#gina#import('Git')
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function! gina#core#treeish#parse(treeish) abort
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" Ref: https://git-scm.com/docs/gitrevisions
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if a:treeish =~# '^:/' || a:treeish =~# '^[^:]*^{/' || a:treeish !~# ':'
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return [a:treeish, v:null]
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endif
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let m = matchlist(a:treeish, '^\(:[0-3]\|[^:]*\)\%(:\(.*\)\)\?$')
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return [m[1], m[2]]
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endfunction
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function! gina#core#treeish#build(rev, path) abort
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let rev = a:rev is# v:null ? ':0' : a:rev
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if a:path is# v:null
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return rev
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endif
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return printf('%s:%s', rev, s:Path.unixpath(a:path))
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endfunction
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function! gina#core#treeish#split(rev) abort
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if a:rev =~# '^.\{-}\.\.\..*$'
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let [lhs, rhs] = matchlist(a:rev, '^\(.\{-}\)\.\.\.\(.*\)$')[1 : 2]
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let lhs = empty(lhs) ? 'HEAD' : lhs
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let rhs = empty(rhs) ? 'HEAD' : rhs
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return [lhs . '...' . rhs, rhs]
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elseif a:rev =~# '^.\{-}\.\..*$'
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let [lhs, rhs] = matchlist(a:rev, '^\(.\{-}\)\.\.\(.*\)$')[1 : 2]
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let lhs = empty(lhs) ? 'HEAD' : lhs
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let rhs = empty(rhs) ? 'HEAD' : rhs
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return [lhs, rhs]
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else
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return [a:rev, '']
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endif
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endfunction
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function! gina#core#treeish#sha1(git, rev) abort
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let ref = s:Git.ref(a:git, a:rev)
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if !empty(ref)
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return ref.hash
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endif
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" Fallback to rev-parse (e.g. HEAD@{2.days.ago})
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let result = gina#process#call_or_fail(a:git, ['rev-parse', a:rev])
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return get(result.stdout, 0, '')
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endfunction
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function! gina#core#treeish#resolve(git, rev, ...) abort
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let aggressive = a:0 ? a:1 : 0
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if a:rev =~# '^.\{-}\.\.\..*$'
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let [lhs, rhs] = matchlist(a:rev, '^\(.\{-}\)\.\.\.\(.*\)$')[1 : 2]
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let lhs = empty(lhs) ? 'HEAD' : lhs
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let rhs = empty(rhs) ? 'HEAD' : rhs
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return s:find_common_ancestor(a:git, lhs, rhs)
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elseif a:rev =~# '^.\{-}\.\..*$'
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let [lhs, _] = matchlist(a:rev, '^\(.\{-}\)\.\.\(.*\)$')[1 : 2]
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let lhs = empty(lhs) ? 'HEAD' : lhs
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if aggressive
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let ref = s:Git.ref(a:git, lhs)
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return get(ref, 'name', lhs)
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else
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return lhs
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endif
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elseif aggressive
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let ref = s:Git.ref(a:git, a:rev)
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return get(ref, 'name', a:rev)
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else
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return a:rev
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endif
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endfunction
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function! gina#core#treeish#validate(git, rev, path, ...) abort
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let treeish = gina#core#treeish#build(a:rev, a:path)
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let result = gina#process#call(a:git, ['rev-parse', treeish])
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if result.status
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throw gina#core#revelator#warning(a:0 ? a:1 : join(result.stderr, "\n"))
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endif
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endfunction
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" Private --------------------------------------------------------------------
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function! s:find_common_ancestor(git, rev1, rev2) abort
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let lhs = empty(a:rev1) ? 'HEAD' : a:rev1
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let rhs = empty(a:rev2) ? 'HEAD' : a:rev2
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let result = gina#process#call_or_fail(a:git, [
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\ 'merge-base', lhs, rhs
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\])
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return get(result.stdout, 0, '')
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endfunction
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